单项选择题
The purpose of a bilge well is to（）.
A.afford access to the shell through the double bottoms
B.collect water to be pumped out
C.provide access for the pneumercator
D.provide a base line for sounding measurements
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A.the radio apparatus fitted on the portside
B.the radio with a portable equipment
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The most common type of davit found on merchant vessels today is the（）.
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